2023-12-21T20:45:21.386944Z35.293568141.55493210manualconfirmedIAG5.231017054mb1Origin/20231221212340.780933.44798Magnitude/20231221212340.780985.44799earthquakeIAGNear East Coast of Honshu, Japanregion nameusp2023yyjecontributorID